Home / 13,605.17-20,398.77-6,571.26

Finding the Fourth Proportional to 13,605.17, 20,398.77 and 6,571.26

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Solution

The fourth proportional to 13,605.17, 20,398.77 and 6,571.26 is: 9,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605.17 : 20,398.77 = 6,571.26 : x
  2. Step 2: Convert to fraction form
    13,605.17/20,398.77 = 6,571.26/x
  3. Step 3: Cross multiply
    13,605.17x = 20,398.77 × 6,571.26
  4. Step 4: Simplify right side
    13,605.17x = 134,045,621.35
  5. Step 5: Solve for x
    x = 134,045,621.35/13,605.17
  6. Step 6: Final answer
    x = 9,852.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.